604D系列是一种通用的工业差压开关。由全铝制成，采用整体式接线盒和开关设计，易于调整设定值。它也很容易安装到舱壁和UL认证与NEMA 4和IP65等级。它具有高振动和冲击阻力利用双卡扣 碟簧技术。应用包括非危险环境
•发电
•轨道车
•流体管理
•制造工艺
•公用设施、水处理和废物
•化学精炼和加工
•重型车辆
•安全系统

Environmental Approvals    IP65, NEMA 4, NEMA 13, NACE, RoHS

Industry    Industrial

Instrumentation    Pressure Switch

Environment    Non-Hazardous

Certification Agency Approvals    UL, CE, CRN, CCC

Operating Temperature Range    -40° to 186 °F

Process Connection Fitting Size    Female 1/4" NPT

Process Connection Material    Aluminum

Housing Enclosure    Aluminum

Electrical Connection    Female 3/4" NPT

Electrical Switch Type    SPDT

Voltage Electrical Rating VAC    0 to 250 VAC, 251 to 480 VAC

Amperes Electrical Rating    0.2 to 15 A

Fixed or Adjustable Set Point    Adjustable

Presetting    Factory Set, Not Factory Set

Tagging    Mylar, Stainless Steel

Accessories    Manifold

Increasing Pressure Range    1 to 18 PSID, 6 to 75 PSID

Decreasing Pressure Range    0.4 to 17.4 PSID, 2 to 71 PSID

Pressure Type    Differential

Media    Oil Based, Non-Oil Based

Increasing Pressure Ranges    0 – 1.15 PSI, 1.16 – 2.99 PSI, 3 – 180 PSI

Decreasing Pressure Ranges    0 – 1.15 PSI, 1.16 – 173 PSI

Maximum System Pressure    400

Maximum Proof Pressure    750

Process Connection Seal    O-Ring Sealed Diaphragm

Diaphragm    Polyimide

O-ring    Viton